<%@ page import="java.util.ArrayList" %>
<%@ page import="java.util.List" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DriverManager" %><%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2018/4/21
  Time: 22:11
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<jsp:include page="header.jsp"/>
<style type="text/css">
    table{border-collapse: collapse;}
    td{border: 1px solid #000000;
        padding: 10px;}
</style>
<table>
    <tr>
        <td>编号</td>
        <td>用户名</td>
        <td>密码</td>
        <td>操作1</td>
        <td>操作2</td>
    </tr>
    <%
       class User{
            int id;
            String username;
            String password;
        }
        List<User> userList=new ArrayList<>();
       Connection connection=null;
        Statement statement=null;
        ResultSet resultSet=null;

        String sql="select * from t_users";
        Class.forName("com.mysql.jdbc.Driver");
        connection= DriverManager.getConnection("jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
                "root",
                "123456");
        statement=connection.createStatement();
        resultSet=statement.executeQuery(sql);
        while (resultSet.next()){
            int id=resultSet.getInt(1);
            String username=resultSet.getString(2);
            String password=resultSet.getString(3);
            User user=new User();
            user.id=id;
            user.username=username;
            user.password=password;
            userList.add(user);
        }
        resultSet.close();
        statement.close();
        connection.close();

        for (User user:userList){
            out.write("<tr><td>"+user.id+"</td><td>"+user.username+"</td><td>"+user.password+"</td><td>"+"<a href='userUpdate?id="+user.id+"&username="
                    +user.username+"&password="+user.password+"'>更新</a></td><td>"+"<a href='userDelete.jsp?id="+user.id+"'>删除</a></td></tr>");
        }

  %>
</table>
</body>
</html>
